Stamping die for secondary forming of wiring terminal

Abstract

The utility model belongs to the technical field of wiring terminals, and relates to a secondary forming stamping die for wiring terminals. Comprising a first stamping die assembly (2) and a second stamping die assembly (3), a first stamping groove (21) and a positioning column (22) are arranged on the first stamping die assembly (2), and a second stamping groove (31) and a stamping fixing block (32) are arranged on the second stamping die assembly (3). The stamping die first assembly (2) is provided with a first protruding part (23) and a first concave part (24), the first stamping groove (21) is formed in the first protruding part (23), and the positioning column (22) is arranged on the first concave part (24). The secondary forming stamping die for the wiring terminal is simple in structure, easy to manufacture, reliable to use and convenient to operate, can effectively solve the problem of secondary forming of a semi-arc wiring terminal, and reduces time and labor cost.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of wiring terminal, more specifically, relate to a wiring terminal secondary forming stamping die. BACKGROUND

[0002] The wiring terminal in prior art is mostly designed with circular arc and semicircular arc, and the open type semicircular arc wiring terminal is mostly selected when the lead wire is welded with the wiring terminal. However, the open size of the upper end of the semicircular arc wiring terminal often exceeds the diameter of the circular arc during use, and in order to meet the use requirements, the semicircular arc wiring terminal has to be secondarily formed, especially when the semicircular arc wiring terminal has installation size requirements, how to better and faster complete the forming and ensure the quality of the secondary forming of the wiring terminal is a problem to be solved. The defects of the prior art: the prior art mostly adopts the way of placing the welding sheet on a round bar and bending it into shape or the way of bending it into shape with pliers. However, in actual operation, placing the welding sheet on the round bar and bending it into shape has a high probability of causing damage to the welding sheet, and the bending operation is time-consuming and laborious and is greatly affected by human factors. The way of bending it into shape with pliers is suitable for environments without specific size requirements, has a small practical range and cannot meet the forming requirements with specific forming sizes, affecting the product quality.

[0003] The prior art with the title of "a wiring terminal processing method and stamping die" and the publication (announcement) number of "CN107895874A" relates to a wiring terminal processing method and stamping die. The wiring terminal processing method comprises the following steps: 1. placing a copper bar on a stamping die with stamping positions corresponding to the connecting plate parts at both ends of the copper bar and avoiding parts of the conductive rod part avoiding the middle section of the copper bar, stamping the connecting plate parts at both ends of the copper bar, and simultaneously stamping the connecting plates at both ends of the copper bar; 2. processing connecting holes on the connecting plate parts at both ends of the copper bar. The connecting plate parts at both ends of the copper bar are integrally formed on the stamping die, avoiding the problem of positional positioning error when the connecting plate parts and the conductive rod part are welded, and the connecting plate parts at both ends of the copper bar will not have angle deflection problems. After stamping, the organization of the copper bar is more compact, there are no organization defects at the connection between the conductive rod and the connecting plate, and the conductive performance of the wiring terminal is better.

[0004] However, the technology does not involve the technical problems and technical solutions of the present application. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problems in the prior art and provides a wiring terminal secondary forming stamping die which has a simple structure, can effectively solve the problem of secondary forming of semicircular arc wiring terminals, reduces time and labor costs, is easy to manufacture, reliable to use, and convenient to operate.

[0006] To solve the above technical problems, the utility model adopts the technical scheme that

[0007] The utility model discloses a wiring terminal secondary forming stamping die, including stamping die first subassembly, stamping die second subassembly, be provided with first stamping recess and positioning column on stamping die first subassembly, be provided with second stamping recess and stamping fixed block on stamping die second subassembly.

[0008] First protruding portion and first concave lower portion are provided on the stamping die first subassembly, and the first stamping recess is arranged on the first protruding portion, and the positioning column is arranged on the first concave lower portion.

[0009] Second protruding portion and second concave lower portion are provided on the stamping die second subassembly, and the second stamping recess is arranged on the second protruding portion, and the stamping fixed block is arranged on the second concave lower portion.

[0010] The stamping die first subassembly is arranged on the base.

[0011] The stamping die second subassembly is connected to the stamping machine.

[0012] The stamping die first subassembly is welded on the base.

[0013] The first stamping recess is in a semicircular structure, the second stamping recess is in a semicircular structure, the diameter of the first stamping recess is equal to the diameter of the wiring terminal body of the wiring terminal, and the diameter of the second stamping recess is greater than that of the first stamping recess.

[0014] The stamping die second subassembly includes a large head section and a small head section, and the large head section and the small head section are in an integral structure.

[0015] The large head section is provided with the second protruding portion and the second concave lower portion, and the small head section is fixedly connected to the stamping machine.

[0016] The wiring terminal includes a wiring terminal body and a wiring terminal end, and the wiring terminal end is provided with an end mounting hole.

[0017] The technical scheme of the utility model has the following working principles and beneficial effects.

[0018] The present invention relates to a secondary forming stamping die for terminal blocks, comprising a first stamping die component and a second stamping die component. The first stamping die component is fixed to a base by welding or other methods, or by bolts, or the first stamping die component and the base are integrally formed from a single piece of metal, effectively satisfying the positioning requirements of the first stamping die component. The second stamping die component is used in conjunction with a stamping machine. As the stamping machine moves, the second stamping die component moves closer to or further away from the first stamping die component, completing the secondary forming stamping process of the terminal block. When the first and second stamping die components are used together to form a semi-circular arc terminal block, the diameter of the first stamping groove is the specific forming size of the terminal block to be processed, and the diameter of the second stamping groove is slightly larger than the specific forming size of the terminal block, in order to better accommodate the semi-circular arc terminal block, reduce possible extrusion deformation during the forming process, and avoid affecting the forming effect. The key feature of this invention is the use of a specially structured stamping die to perform secondary forming of the semi-circular arc terminal block, which reduces damage during the forming process, ensures the forming dimensions of the terminal block, improves the quality of the terminal block, and enables the semi-circular arc terminal block to better meet the usage requirements. Attached Figure Description

[0019] The following is a brief explanation of the contents depicted in the accompanying drawings and the markings therein:

[0020] Figure 1 This is a schematic diagram of the first component of the stamping die for the secondary forming stamping die of the terminal block according to this utility model;

[0021] Figure 2 This is a schematic diagram of the first component of the stamping die for the secondary forming stamping die of the terminal block according to this utility model;

[0022] Figure 3 This is a schematic diagram of the second component of the stamping die for the secondary forming stamping die of the terminal block according to this utility model;

[0023] Figure 4 This is a schematic diagram of the second component of the stamping die for the secondary forming stamping die of the terminal block according to this utility model;

[0024] Figure 5 This is a schematic diagram of the mold installation fixture for the secondary forming stamping mold of the terminal block described in this utility model;

[0025] Figure 6 This is a partially enlarged structural diagram of the mold mounting fixture for the secondary forming stamping die of the terminal block described in this utility model;

[0026] The reference signs in the drawings are marked as follows: 1, base; 2, stamping die first assembly; 21, first stamping groove; 22, positioning column; 23, first protruding part; 24, first concave lower part; 3, stamping die second assembly; 31, second stamping groove; 32, stamping fixing block; 33, second protruding part; 34, second concave lower part; 35, large head section; 36, small head section; 4, die mounting auxiliary tool; 41, die mounting auxiliary tool small diameter surface; 42, die mounting auxiliary tool large diameter surface. DETAILED DESCRIPTION

[0027] The shape, structure, mutual position and connection relationship between the parts, the function and working principle of each part of the specific embodiment of the utility model will be further described in detail by comparing the drawings and describing the embodiment as follows:

[0028] As shown in the drawings Figure 1 - the drawings Figure 6 The utility model discloses a wiring terminal secondary forming stamping die, including stamping die first assembly 2, stamping die second assembly 3, be provided with first stamping groove 21 and positioning column 22 on stamping die first assembly 2, be provided with second stamping groove 31 and stamping fixing block 32 on stamping die second assembly 3. The above structure, for the deficiency in the prior art, proposes the technical scheme of improvement. When setting structure, stamping die first assembly 2, stamping die second assembly 3 are made respectively, stamping die first assembly 2 is fixed on base 1 by welding or the like, or, stamping die first assembly 2 is fixed on base 1 by bolt mode, or, stamping die first assembly 2 and base 1 adopt integral metal material and are integrally processed, effectively satisfy the positioning of stamping die first assembly 2. Stamping die second assembly 3 is used with stamping machine, and stamping die second assembly 3 is close to stamping die first assembly 2 or away from stamping die first assembly 2 along with the movement of stamping machine, to complete wiring terminal secondary forming stamping. Stamping die first assembly 2, stamping die second assembly 3 are used in pairs, when being shaped to semicircular arc wiring terminal, the diameter of first stamping groove 21 is the specific forming size of the wiring terminal to be processed, and the diameter of second stamping groove 31 is slightly larger than the specific forming size of the wiring terminal, so as to better accommodate semicircular arc wiring terminal, reduce the extrusion deformation that may exist in the forming process, and avoid affecting the forming effect. The key point of the utility model is that semicircular arc wiring terminal is formed twice by using the stamping die with special structure, reduces the damage in the forming process, guarantees the forming size, improves the quality of wiring terminal, and makes semicircular arc wiring terminal better satisfy the use requirement. The wiring terminal secondary forming stamping die disclosed by the utility model has the advantages of simple structure, can effectively solve the problem of semicircular arc wiring terminal secondary forming, reduce time and labor cost, be easy to manufacture, be reliable in use, and be convenient to operate.

[0029] The structure of the terminal secondary forming stamping die is set as follows: the first protruding part 23 and the first recessed part 24 are arranged on the first component 2 of the stamping die, the first stamping groove 21 is arranged on the first protruding part 23, and the positioning column 22 is arranged on the first recessed part 24. The first protruding part 23 and the first recessed part 24 are arranged to make the first stamping groove 21 and the positioning column 22 arranged on different planes, thereby achieving reliable arrangement. The second protruding part 33 and the second recessed part 34 are arranged on the second component 3 of the stamping die, the second stamping groove 31 is arranged on the second protruding part 33, and the stamping fixing block 32 is arranged on the second recessed part 34. The second protruding part 33 and the second recessed part 34 are arranged to make the second stamping groove 31 and the stamping fixing block 32 arranged on different planes, thereby achieving reliable arrangement. When the second component 3 of the stamping die contacts the first component 2 of the stamping die, the terminal secondary forming can be reliably completed.

[0030] The first component 2 of the stamping die is arranged on the base 1. The second component 3 of the stamping die is connected to the stamping machine. The first component 2 of the stamping die is reliably fixed on the base 1, and the second component 3 of the stamping die is reliably connected to the stamping machine. When the stamping machine controls the second component 3 of the stamping die to ascend and descend, the second component 3 of the stamping die approaches the first component of the stamping die, thereby achieving stamping processing of the terminal. After the processing, the second component 3 of the stamping die moves away from the first component 21 of the stamping die, thereby completing a stamping process, and then the stamping operation is repeated.

[0031] The first stamping groove 21 is in a semicircular structure in cross section, the second stamping groove 31 is in a semicircular structure in cross section, the diameter of the first stamping groove 21 is equal to the diameter of the terminal body of the terminal, and the diameter of the second stamping groove 31 is greater than that of the first stamping groove 21. The first stamping groove 21 can reliably accommodate the terminal, so as to better accommodate the semicircular terminal, reduce possible extrusion deformation in the forming process, and avoid affecting the forming effect.

[0032] The second component 3 of the stamping die comprises a large head section 35 and a small head section 36, and the large head section 35 and the small head section 36 are in an integral structure. The second protruding part 33 and the second recessed part 34 are arranged at the end of the large head section 35, and the small head section 36 is fixedly connected to the stamping machine. The second component 3 of the stamping die is in an integral structure, the processing technology is simple, and the second component 3 of the stamping die can be reliably fixed on the stamping machine. Under the control of the stamping machine, the second component 3 of the stamping die can reliably ascend and descend, and cooperate with the first component 2 of the stamping die to complete stamping of the terminal placed on the first component 2 of the stamping die.

[0033] The wiring terminal secondary forming stamping die further comprises a die mounting auxiliary tool 4, which comprises a die mounting auxiliary tool small diameter surface 41 and a die mounting auxiliary tool large diameter surface 42. The die mounting auxiliary tool small diameter surface 4 is equal to the diameter of the first stamping groove 21 of the stamping die first component 2, and the die mounting auxiliary tool large diameter surface 42 is equal to the diameter of the second stamping groove 31 of the stamping die second component 3. When the stamping die first component 2 and the stamping die second component 3 are positioned, the die mounting auxiliary tool small diameter surface 41 of the die mounting auxiliary tool 4 is placed into the first stamping groove 21 of the stamping die first component 2, then the die mounting auxiliary tool large diameter surface 42 of the stamping die second component 3 is controlled to be located in the second stamping groove 31 of the stamping die second component 3, and finally the stamping die second component 3 and the stamping machine are fixedly connected. In this way, the first stamping groove 21 and the second stamping groove 31 can be accurately aligned.

[0034] In the utility model, the wiring terminal comprises a wiring terminal body and a wiring terminal end head, and a head mounting hole is arranged on the wiring terminal end head. The above structure is that before the wiring terminal is processed, the wiring terminal mounting hole is sleeved and positioned on the positioning column 22. During stamping operation, the stamping fixing block 32 can reliably position the wiring terminal, effectively avoids the deviation of the semicircular arc wiring terminal, makes the right angle edges on the left and right sides of the semicircular arc wiring terminal uniformly shrink during stamping, and improves the quality.

[0035] The wiring terminal secondary forming stamping die of the utility model, the upper end of the stamping fixing block 32 is designed as an arc, which reduces the damage to the stamping device caused by the right angle edge during stamping.

[0036] The utility model discloses the wiring terminal secondary forming stamping die, structural setting time, make stamping die first component 2, stamping die second component 3 respectively, stamping die first component 2 is fixed on the base 1 through welding etc. mode, or, stamping die first component 2 is fixed on the base 1 through bolt mode, or, stamping die first component 2 and base 1 adopt integral metal material integrated processing forming, effectively satisfy the positioning of stamping die first component 2. Stamping die second component 3 is used with the stamping machine, and stamping die second component 3 is close to stamping die first component 2 or away from stamping die first component 2 along with the movement of the stamping machine, thereby completing wiring terminal secondary forming stamping processing. Stamping die first component 2, stamping die second component 3 are used together, when the semicircular arc wiring terminal is shaped, the diameter of first stamping groove 21 is the specific forming size of the wiring terminal that needs to be processed, and the diameter of second stamping groove 31 is slightly larger than the specific forming size of the wiring terminal, so as to better accommodate the semicircular arc wiring terminal, reduce the extrusion deformation that may exist in the forming process, and avoid affecting the forming effect. The key point of the utility model is that the semicircular arc wiring terminal is shaped by using the stamping die with special structure, the damage in the forming process is reduced, the forming size of the wiring terminal is ensured, the quality of the wiring terminal is improved, the semicircular arc wiring terminal better meets the use requirement.

[0037] The utility model has been described above in conjunction with the drawings, and obviously, the specific implementation of the utility model is not limited by the above mode, as long as various improvements are made by using the method concept and technical scheme of the utility model, or the concept and technical scheme of the utility model is directly applied to other occasions without improvement, which is within the protection scope of the utility model.

Claims

1. A wire terminal overmolding press die characterized by: The punch die first assembly (2) is provided with a first punch groove (21) and a positioning column (22), and the punch die second assembly (3) is provided with a second punch groove (31) and a punch fixing block (32).

2. The wire terminal overmolding press die of claim 1, wherein: The punch die first assembly (2) is provided with a first convex part (23) and a first concave part (24), the first punch groove (21) is arranged on the first convex part (23), and the positioning column (22) is arranged on the first concave part (24).

3. The wire terminal overmolding press die of claim 2, wherein: The punch die second assembly (3) is provided with a second convex part (33) and a second concave part (34), the second punch groove (31) is arranged on the second convex part (33), and the punch fixing block (32) is arranged on the second concave part (34).

4. The terminal overmolding press die of claim 1 or 2, wherein: The punch die first assembly (2) is arranged on the base (1).

5. The wire terminal overmolding press die of claim 3, wherein: The punch die second assembly (3) is connected with a punch machine.

6. The wire terminal overmolding press die of claim 3, wherein: The first punch groove (21) is in a semicircular structure in section, the second punch groove (31) is in a semicircular structure in section, the diameter of the first punch groove (21) is equal to the diameter of the terminal body of the terminal, and the diameter of the second punch groove (31) is greater than that of the first punch groove (21).

7. The terminal secondary forming press die according to claim 1 or 2, characterized by: The punch die second assembly (3) comprises a large head section (35) and a small head section (36), and the large head section (35) and the small head section (36) are in an integrated structure.

8. The wire terminal overmolding press die of claim 7, wherein: The secondary forming punch die of the terminal further comprises a die installation auxiliary tool (4), and the die installation auxiliary tool (4) comprises a die installation auxiliary tool small-diameter surface (41) and a die installation auxiliary tool large-diameter surface (42).

9. The terminal secondary forming press die of claim 1 or 2, wherein: The terminal comprises a terminal body and a terminal end, and the terminal end is provided with an end mounting hole.

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